Distinct files in the full Software Heritage archive (2026-06-04 export), dated by first appearance, following Desmazières, Di Cosmo, Lorentz (MSR 2025). Case-aggregated. citation.
2.0M
total files
1.1M
first seen 2021–2025 (55.4%)
2021
median year (half its files since)
Case variants in archive: .tab (1.9M), .TAB (17.8K), .Tab (186), .tAB (1) — aggregated above.
Attribution status
This extension is attributed to TSV as primary by 1 authoritative claim.
Authoritative sources:△ Linguist · secondary✗ Pygments · no claim✓ Wikidata · Q3513566✗ Wikipedia · no claim
File formats, image formats, audio codecs and other non-PL
entities that claim .tab on Wikidata
(property P1195) or in the Wikipedia infobox.
Source: data/derived/external_extension_index.csv.
Click Use as new PL on any row to open the
Add-PL form pre-filled with that entry's name, Wikipedia/Wikidata
URL, and this extension — one submission creates the PL + claim.
Real archived programs with this extension, byte-verified against the SWH archive, grouped by predicted language and by how the prediction was made. Useful for deciding what this extension actually is when the attribution is uncertain.